Bug: CSP header prevents app from loading on Safari (dev only)

[echappen]

Expected behavior:
App loads on all browsers in both dev and production

Actual behavior:
App fails to load on Safari in dev mode (production works)

Screenshot of error messages in console:

@beepdotgov found that removing this CSP config solved this issue. (reference)

Acceptance Criteria

• App loads in all supported browsers

[echappen]

FYSA @hursey013